The AWS Cloud Development Kit (CDK) comes with a list of commands that you need to know:

cdk list (ls) Lists the stacks in the app
cdk synthesize (synth) Synthesizes and prints the CloudFormation template for the specified stack(s)
cdk bootstrap Deploys the CDK Toolkit staging stack; see Bootstrapping
cdk deploy Deploys the specified stack(s)
cdk destroy Destroys the specified stack(s)
cdk diff Compares the specified stack with the deployed stack or a local CloudFormation template
cdk metadata Displays metadata about the specified stack
cdk init Creates a new CDK project in the current directory from a specified template
cdk context Manages cached context values
cdk docs (doc) Opens the CDK API reference in your browser
cdk doctor Checks your CDK project for potential problems

You can learn more about the CDK here: